Variable placeholder
Logical negation (NOT)
Logical conjunction (AND)
Logical disjunction (OR)
Material implication (IF...THEN)
Reversed implication
Logical equivalence (IFF)
Exclusive disjunction (XOR)
Not AND operation
Not OR operation
Anti-implication
Reversed anti-implication
Logical contradiction (always false)
Logical tautology (always true)
Logical operator types supported in the system. Defines the core logical operations available in propositional logic.